pyrheliometry en · NOUN
Etymology
Etymology tree Proto-Indo-European *péh₂wr̥ Proto-Hellenic *pāwər Ancient Greek πῦρ (pûr) Latin pyr English pyro- English pyr- Proto-Indo-European *sóh₂wl̥ Proto-Indo-European *sh₂wél(i)yos Proto-Hellenic *hāwélios Ancient Greek ἥλῐος (hḗlĭos) English helio- Ancient Greek -μετρία (-metría)der. Latin -metriader. Old French -métrieder. English -metry English pyrheliometry From pyr- + helio- + -metry.
Meanings
- (uncountable) The study (and measurement) of solar radiation using a pyrheliometer.